From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5AB4EC25B0E for ; Mon, 8 Aug 2022 01:42:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242748AbiHHBmd (ORCPT ); Sun, 7 Aug 2022 21:42:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41642 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242704AbiHHBkm (ORCPT ); Sun, 7 Aug 2022 21:40:42 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C1A61B87A; Sun, 7 Aug 2022 18:34:52 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id E054EB80881; Mon, 8 Aug 2022 01:34:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D1465C433D6; Mon, 8 Aug 2022 01:34:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1659922489; bh=iyij/7Rda9GzVqk1fhaYf1o1xG310pgMr6a/apnunPY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tX57G+uy+gkDIwroNJpL3JuJ3/AOmp8D1sCGH1ZyAiEvSzFxwW0Bfr340xBWKuyqh CMc6K07R6/ZzCk3sum79yabzVstBERTAJlMaiWa/3WnGuUcKNptueQtksDykSr39Qi CY7XBU6kJ2FpsYAIwognslYE4E3civEKfTc/X8OjUValigIaC0VIvFn+uOXD2KdT1x xxLQgztmr+hK/CXwMofE5cCWzvN9JhfLYBVsEh1/m81tH37zyRiKLvOWy+UHg+1CUz 7NXiyxLva0nEu1dcRCDyq27leiHPBIthxpiPMLHi8p/z9rvUfOWMJpJcR25ZHEcggB +BSSVzKLe9k7A== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Samuel Holland , kernel test robot , Marc Zyngier , Sasha Levin , tglx@linutronix.de Subject: [PATCH AUTOSEL 5.18 17/53] genirq: GENERIC_IRQ_IPI depends on SMP Date: Sun, 7 Aug 2022 21:33:12 -0400 Message-Id: <20220808013350.314757-17-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220808013350.314757-1-sashal@kernel.org> References: <20220808013350.314757-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Samuel Holland [ Upstream commit 0f5209fee90b4544c58b4278d944425292789967 ] The generic IPI code depends on the IRQ affinity mask being allocated and initialized. This will not be the case if SMP is disabled. Fix up the remaining driver that selected GENERIC_IRQ_IPI in a non-SMP config. Reported-by: kernel test robot Signed-off-by: Samuel Holland Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20220701200056.46555-3-samuel@sholland.org Signed-off-by: Sasha Levin --- drivers/irqchip/Kconfig | 2 +- kernel/irq/Kconfig | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index d43d25a411dd..1af26c409cb1 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -177,7 +177,7 @@ config MADERA_IRQ config IRQ_MIPS_CPU bool select GENERIC_IRQ_CHIP - select GENERIC_IRQ_IPI if SYS_SUPPORTS_MULTITHREADING + select GENERIC_IRQ_IPI if SMP && SYS_SUPPORTS_MULTITHREADING select IRQ_DOMAIN select GENERIC_IRQ_EFFECTIVE_AFF_MASK diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig index 10929eda9825..fc760d064a65 100644 --- a/kernel/irq/Kconfig +++ b/kernel/irq/Kconfig @@ -82,6 +82,7 @@ config IRQ_FASTEOI_HIERARCHY_HANDLERS # Generic IRQ IPI support config GENERIC_IRQ_IPI bool + depends on SMP select IRQ_DOMAIN_HIERARCHY # Generic MSI interrupt support -- 2.35.1